20145897615

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{124139}}^1$

素因数の和:124527

約数の個数: 32

約数和(自身を含む): 33368832000

約数和(自身を除く): 13222934385

約数列:

[1, 3, 5, 15, 31, 93, 155, 349, 465, 1047, 1745, 5235, 10819, 32457, 54095, 124139, 162285, 372417, 620695, 1862085, 3848309, 11544927, 19241545, 43324511, 57724635, 129973533, 216622555, 649867665, 1343059841, 4029179523, 6715299205, 20145897615]

約数ペア:

[(1, 20145897615), (3, 6715299205), (5, 4029179523), (15, 1343059841), (31, 649867665), (93, 216622555), (155, 129973533), (349, 57724635), (465, 43324511), (1047, 19241545), (1745, 11544927), (5235, 3848309), (10819, 1862085), (32457, 620695), (54095, 372417), (124139, 162285)]